The Complete Works in Philosophy, Politics and Morals of the late Dr. Benjamin Franklin, Vol. 1 [of 3] — Additional Proofs of the positive and negative State of Electricity in the Clouds.—New Method of ascertaining it.

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The Complete Works in Philosophy, Politics and Morals of the late Dr. Benjamin Franklin, Vol. 1 [of 3] Volume 1 of 3 · Additional Proofs of the positive and negative State of Electricity in the Clouds.—New Method of ascertaining it. · ch 39/83

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